CVE-2004-1571: AJ-Fork 167 allows remote attackers to gain sensitive information via a direct request to (1) auto-acronyms.ph

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MEDIUM 5.0DOWNGRADE

CVE-2004-1571 is a medium-severity flaw (CVSS 5.0) affecting aj-fork. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AJ-Fork 167 allows remote attackers to gain sensitive information via a direct request to (1) auto-acronyms.php, (2) auto-archive.php, (3) ount-article-views.php, (4) kses.php, (5) custom-quick-tags.php, (6) disable-all-comments.php, (7) easy-date-format.php, (8) enable-disable-comments.php, (9) filter-by-author.php, (10) format-switcher.php, (11) long-to-short.php, (12) prospective-posting.php, or (13) sort-by-xfield.php, which displays the full

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: aj-fork

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:07 UTCUpdated Record last modified

aj-fork aj-fork DOWNGRADE

Affected: 167

Fixed in: no fixed release known

Safe to downgrade to: a release before 167

1. Check installed version

apt-cache policy aj-fork || rpm -q aj-fork || aj-fork --version

2. No fixed release: DOWNGRADE to a release before 167 (Debian / Ubuntu)

apt-cache madison aj-fork sudo apt install aj-fork=<VERSION_BEFORE_167> sudo apt-mark hold aj-fork

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list aj-fork sudo dnf downgrade aj-fork-<VERSION_BEFORE_167> sudo dnf versionlock add aj-fork

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2004-1571?

aj-fork: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-1571 being exploited?

CVE-2004-1571 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2004-1571 affect?

CVE-2004-1571 affects aj-fork. Severity is medium (CVSS 5.0). AJ-Fork 167 allows remote attackers to gain sensitive information via a direct request to (1) auto-acronyms.php, (2) auto-archive.php, (3) ount-article-views.php, (4) kses.php, (5) custom-quick-tags.php, (6) disable-all-comments.php, (7) ea

How urgent is CVE-2004-1571?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2004-1573 HIGH 7.2 DOWNGRADE DOWNGRADE The documentation for AJ-Fork 167 implies that users should set permissions for users.db.php to 777, which all
CVE-2004-1572 MEDIUM 5.0 DOWNGRADE AJ-Fork 167 does not restrict access to directories such as (1) data, (2) inc, (3) plugins, (4) skins, or (5)

References

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